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  1. By: Bour, Roger, - Zaher, Hussam
    Type: Article
    In: Papéis Avulsos de Zoologia (São Paulo)
    Date: 2005-01-01
    Subjects: Brazil  Chelidae  Chelonii  Mesoclemmys perplexa  new species  Phylogeny  PiauĂ­  systematics  taxonomy